fix: 🐛 change disabled to readonly for form inputs (#2618)

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-15666

ui/admin/app/components/form/role/index.hbs

@@ -17,7 +17,7 @@
     @isInvalid={{@model.errors.name}}
     @type='text'
     name='name'
-    disabled={{form.disabled}}
+    readonly={{form.disabled}}
     {{on 'input' (set-from-event @model 'name')}}
     as |F|
   >
@@ -37,7 +37,7 @@
     @value={{@model.description}}
     @isInvalid={{@model.errors.description}}
     name='description'
-    disabled={{form.disabled}}
+    readonly={{form.disabled}}
     as |F|
   >
     <F.Label>{{t 'form.description.label'}}</F.Label>